A flood in a glacial lake behind Lituya Glacier surprised an unsuspecting fisherman and reworked a young delta in Alaska.
Image of the Day Land Water Unique Imagery Snow and Ice
One of the tallest tsunami waves known to science slammed this Alaskan bay in 1958.
Image of the Day Land Water Unique Imagery Remote Sensing
Landsat images helped convince researchers that a slumping mountainside overlooking Barry Arm fjord could pose a tsunami hazard.